Darmawati, I., Đặng Trần Ngọc Thanh, A. Laili Perdani, R. Wahdini, and N. Sintia Wardany. “Association Between Social Engagement and Depression Severity Among the Elderly: A Community-Based Study”. Jurnal Berita Ilmu Keperawatan, vol. 19, no. 1, Jan. 2026, pp. 164-9, doi:10.23917/bik.v19i1.13200.